WO2020080102A1 - 転がり案内装置のセンサ取付け部材及びセンサ取付け方法 - Google Patents

転がり案内装置のセンサ取付け部材及びセンサ取付け方法 Download PDF

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Publication number
WO2020080102A1
WO2020080102A1 PCT/JP2019/038874 JP2019038874W WO2020080102A1 WO 2020080102 A1 WO2020080102 A1 WO 2020080102A1 JP 2019038874 W JP2019038874 W JP 2019038874W WO 2020080102 A1 WO2020080102 A1 WO 2020080102A1
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WO
WIPO (PCT)
Prior art keywords
track rail
sensor
mounting member
sensor mounting
leg
Prior art date
Application number
PCT/JP2019/038874
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
暁彦 並木
雅史 杉浦
Original Assignee
Thk株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thk株式会社 filed Critical Thk株式会社
Priority to DE112019005164.4T priority Critical patent/DE112019005164B4/de
Priority to US17/273,432 priority patent/US11174897B2/en
Priority to CN201980066893.0A priority patent/CN112840136B/zh
Priority to KR1020217014268A priority patent/KR102304101B1/ko
Publication of WO2020080102A1 publication Critical patent/WO2020080102A1/ja

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C41/00—Other accessories, e.g. devices integrated in the bearing not relating to the bearing function as such
    • F16C41/007—Encoders, e.g. parts with a plurality of alternating magnetic poles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C29/00—Bearings for parts moving only linearly
    • F16C29/04—Ball or roller bearings
    • F16C29/06—Ball or roller bearings in which the rolling bodies circulate partly without carrying load
    • F16C29/0602—Details of the bearing body or carriage or parts thereof, e.g. methods for manufacturing or assembly
    • F16C29/0609—Details of the bearing body or carriage or parts thereof, e.g. methods for manufacturing or assembly of the ends of the bearing body or carriage where the rolling elements change direction, e.g. end caps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C29/00—Bearings for parts moving only linearly
    • F16C29/04—Ball or roller bearings
    • F16C29/06—Ball or roller bearings in which the rolling bodies circulate partly without carrying load
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C29/00—Bearings for parts moving only linearly
    • F16C29/04—Ball or roller bearings
    • F16C29/06—Ball or roller bearings in which the rolling bodies circulate partly without carrying load
    • F16C29/0633—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body defining a U-shaped carriage, i.e. surrounding a guide rail or track on three sides
    • F16C29/0635—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body defining a U-shaped carriage, i.e. surrounding a guide rail or track on three sides whereby the return paths are provided as bores in a main body of the U-shaped carriage, e.g. the main body of the U-shaped carriage is a single part with end caps provided at each end
    • F16C29/0638—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body defining a U-shaped carriage, i.e. surrounding a guide rail or track on three sides whereby the return paths are provided as bores in a main body of the U-shaped carriage, e.g. the main body of the U-shaped carriage is a single part with end caps provided at each end with balls
    • F16C29/0642—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body defining a U-shaped carriage, i.e. surrounding a guide rail or track on three sides whereby the return paths are provided as bores in a main body of the U-shaped carriage, e.g. the main body of the U-shaped carriage is a single part with end caps provided at each end with balls with four rows of balls
    • F16C29/0647—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body defining a U-shaped carriage, i.e. surrounding a guide rail or track on three sides whereby the return paths are provided as bores in a main body of the U-shaped carriage, e.g. the main body of the U-shaped carriage is a single part with end caps provided at each end with balls with four rows of balls with load directions in X-arrangement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C41/00—Other accessories, e.g. devices integrated in the bearing not relating to the bearing function as such
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C43/00—Assembling bearings
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P1/00—Details of instruments
    • G01P1/02—Housings
    • G01P1/023—Housings for acceleration measuring devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
    • G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2226/00—Joining parts; Fastening; Assembling or mounting parts
    • F16C2226/50—Positive connections
    • F16C2226/70—Positive connections with complementary interlocking parts
    • F16C2226/74—Positive connections with complementary interlocking parts with snap-fit, e.g. by clips
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2233/00—Monitoring condition, e.g. temperature, load, vibration
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2361/00—Apparatus or articles in engineering in general
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C29/00—Bearings for parts moving only linearly
    • F16C29/005—Guide rails or tracks for a linear bearing, i.e. adapted for movement of a carriage or bearing body there along
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
    • F24S25/60—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules
    • F24S2025/6004—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules by clipping, e.g. by using snap connectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
    • F24S25/60—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules
    • F24S25/63—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules for fixing modules or their peripheral frames to supporting elements
    • F24S25/634—Clamps; Clips

Definitions

  • the present invention is applied to a rolling guide device in which a moving block is assembled to a track rail via a large number of rolling elements, and a sensor mounting member and a sensor mounting member for mounting various sensors such as an acceleration sensor on the track rail. Regarding the method.
  • this type of rolling guide device is assembled to the track rail via a track rail formed with a rolling surface of a rolling element along the longitudinal direction and a number of rolling elements rolling on the rolling surface.
  • the movable member is reciprocally movable.
  • the moving member has a load rolling surface on which the rolling element rolls while applying a load, and the load rolling surface opposes the rolling surface of the track rail to thereby form a load passage of the rolling element.
  • the moving member has an unloaded passage for circulating a rolling element from one end of the load passage to the other end, and an infinite circulation path of the rolling element is formed by the continuous load passage and the unloaded passage. It is configured. As a result, the moving member can move along the track rail without being restricted in stroke.
  • the product life of the rolling guide device is mainly affected by fatigue of the rolling surface of the track rail and the loaded rolling surface of the moving member.
  • the rolling surface, the loaded rolling surface, and rolling elements such as balls and rollers rolling thereover are not properly lubricated with a lubricant or if an excessive load is applied, the rolling There is a possibility that flaking of the rolling surface and the load rolling surface may occur early, and the product life of the rolling guide device may be shortened.
  • various uses of the rolling guide device such as an environment in which a special foreign substance is landed on the track rail, an extremely high temperature or a low temperature environment, and the usage environment or load load in the application (hereinafter, referred to as “usage conditions”). ") Means that the progression of fatigue on the rolling surface must be affected.
  • the operating condition of the rolling guide device is sequentially detected by various sensors and changes momentarily based on the detected contents. It is desirable to be able to grasp the state of the rolling guide device.
  • an acceleration sensor is attached to the track rail or the moving member, the output signal of the acceleration sensor is analyzed, and the analysis result is compared with predetermined reference data to determine whether or not there is an abnormality in the rotary bearing.
  • a diagnostic system that does this has been proposed.
  • a female screw provided on the acceleration sensor is used to directly screw the acceleration sensor to the object to be measured.
  • a method of stopping, a method of adhering the acceleration sensor to an object to be measured using an adhesive, a method of magnetically fixing the object to be measured using a magnet, and the like are known.
  • the acceleration sensor is fixed to the track rail by these methods.
  • the screwing method described above requires processing of screw holes in the track rail, and the screw holes need to be provided when the track rail is manufactured. Therefore, there is a problem that the production cost rises. In addition, there is a problem that it cannot be applied to the track rail of the existing rolling guide device that has already been used.
  • the present invention has been made in view of the above problems, and an object thereof is to be able to easily attach various sensors to a track rail of a rolling guide device in one operation, and to the track rail. It is an object of the present invention to provide a sensor mounting member and a sensor mounting method that can easily remove a sensor that has been mounted and that does not require any additional work for the track rail.
  • the present invention is a sensor mounting member for fixing various sensors to a track rail of a rolling guide device, and a sensor holding portion that covers the sensor and sandwiches the sensor between the sensor and the top surface of the track rail. And a pair of leg portions that are provided at both ends of the sensor holding portion and that sandwich the track rail from both sides in the width direction with elastic deformation. Then, as the pair of legs sandwiches the track rail, the sensor holding unit presses the sensor against the top surface of the track rail.
  • the sensor mounting member after mounting the sensor on the top surface of the track rail, the sensor mounting member is covered on the sensor and the sensor mounting member is pressed toward the track rail.
  • the pair of legs provided in the sensor holding portion expands with elastic deformation to sandwich the track rail from both sides in the width direction, and the pair of legs are provided on both side surfaces of the track rail.
  • the sensor mounting member sandwiches the sensor between the sensor rail and the top surface of the track rail by utilizing the pressure contact force.
  • various sensors are mounted on the track rail of the rolling guide device by using the elastic force exerted by the pair of legs. Therefore, various sensors can be mounted on the track rail by using the sensor mounting member.
  • the sensor can be easily attached in one operation, and the sensor attached to the track rail can be easily removed. Further, when mounting the sensor mounting member on the track rail, no additional work is required for the track rail, so that the sensor mounting member can be mounted on the track rail of an existing rolling guide device that has already been used. It can also be applied to.
  • FIG. 1 is a perspective view showing an example of a rolling guide device to which the sensor mounting member of the present invention can be mounted.
  • This rolling guide device is composed of a track rail 1 that extends linearly and a moving member 2 that is assembled to the track rail 1 through a large number of balls as rolling elements, and is a fixed part of various mechanical devices.
  • the track rail 1 By arranging the track rail 1 on the above and mounting various movable bodies on the moving member 2, the movable body can be guided to reciprocate along the track rail 1. .
  • the track rail 1 is formed in a long body having a substantially rectangular cross section.
  • a plurality of rolling surfaces 10 for the balls are formed on the track rail 1 along the longitudinal direction.
  • Recesses 11 are provided on both left and right side surfaces of the track rail 1, respectively, and as a result, a pair of ridges along the longitudinal direction are present on the upper portions of both side surfaces of the track rail 1.
  • the ball rolling surface 10 is provided with two ridges so that each ridge is sandwiched from above and below, that is, four ridges in total.
  • the track rail 1 is formed with a plurality of bolt mounting holes 12 penetrating from the upper surface to the bottom surface at a predetermined interval in the longitudinal direction, and using the fixing bolts inserted in these bolt mounting holes 12, The rail 1 can be firmly fixed to the fixing portion.
  • the moving member 2 is roughly divided into a metal main body member 21 and a pair of synthetic resin lids 22 attached to both ends of the main body member 21 in the moving direction.
  • This moving member 2 is provided with a plurality of infinite circulation paths for balls corresponding to each rolling surface 11 of the track rail 1.
  • the main body member 21 constituting the moving member 2 is formed with a load rolling surface that faces the rolling surface 11 of the track rail 1, and the ball is composed of the rolling surface 11 of the track rail 1 and the main body member 21. Rolls while applying a load between it and the rolling surface. Further, a ball return passage is formed in the main body member 21 in parallel with the load rolling surface, and the ball rolls in the return passage without applying a load.
  • the pair of lids 22 is provided with a direction change path connecting the load rolling surface and the return path, and a ball rolling on the rolling surface 11 of the track rail is used for the direction change path.
  • a scooping part that guides to. Therefore, when the cover 22 is fixed to the end surface of the main body member 21, the balls rolling on the rolling surface 11 of the track rail 1 while applying a load are rolled by the scooping portion. It is guided away from the surface 11 into the turning path and is fed by the turning path into the return path. The ball rolling in the return passage is returned to the rolling surface 11 of the track rail 1 through the direction changing passage. That is, when the pair of lids 22 are fixed to the main body member 21, the infinite circulation path of the balls is completed.
  • the rolling guide device of the embodiment described with reference to the drawings is merely an example to which the sensor mounting member of the present invention can be applied, and the shape of the track rail 1 is not limited to this. Further, in the rolling guide device described with reference to the drawings, the ball is used as the rolling element, but the present invention can be applied to a rolling guide device using rollers.
  • a sensor 4 is fixed to a longitudinal end of the track rail 1 by using a sensor mounting member 3.
  • the sensor 4 detects a change in a physical quantity that occurs when the moving member 2 and the track rail 1 relatively move, and by analyzing the detection signal of the sensor 4, the sensor of the rolling guide device is detected. It is possible to diagnose a change in state with use over time.
  • an acceleration sensor for example, can be used as the sensor 4.
  • a microphone can be used as the sensor 4.
  • FIG. 2 is a perspective view showing the sensor mounting member 3
  • FIG. 3 is a front view showing a state in which the sensor mounting member 3 is mounted on the track rail 1.
  • the sensor 4 used in this embodiment is an acceleration sensor, and is formed in a substantially rectangular shape as shown in FIG. 3, and the detection surface 40 is pressed against the top surface of the track rail 1 for use. Further, a cable 41 for connecting the sensor 4 to another measuring device extends from the sensor 4 (see FIG. 1).
  • the sensor mounting member 3 is manufactured by bending a metal plate such as stainless steel, and can be mounted on the track rail 1 without using a tool.
  • the sensor mounting member 3 is provided at both ends of the sensor holding portion 30 that sandwiches the sensor 4 between the sensor holding portion 30 and the top surface of the track rail, and a pair of sensor mounting members 3 hung on both side surfaces of the track rail 1. And a leg portion 31 of the.
  • the sensor mounting member 3 is used by being pushed into the track rail 1 from above the track rail 1 (upward in the plane of FIG. 3). That is, after mounting the sensor 4 on the track rail 1, the sensor mounting member 3 is covered on the sensor 4 and the sensor mounting member is pressed toward the track rail. As a result, the pair of legs 31 expands elastically and sandwiches the track rail 1 from both sides in the width direction, and the mounting of the sensor mounting member 3 on the track rail 1 is completed.
  • the sensor holding portion 30 has a groove for accommodating a part of the sensor 4, and covers the sensor 4 from above the track rail 1 (upward in the plane of FIG. 3).
  • the sensor mounting member 3 mounted on the track rail 1
  • the sensor 4 is sandwiched between the sensor holding portion 30 and the top surface 14 of the track rail 1.
  • each of the pair of leg portions 31 is in contact with the side surface of the track rail 1 with elastic deformation, and the track rail 1 is sandwiched by the pair of leg portions 31 from both sides in the width direction.
  • the sensor holder 30 is pulled down toward the top surface of the track rail 1.
  • the sensor 4 is pressed against the top surface of the track rail 1 by the sensor holder 30, and is fixed to the track rail 1 by the frictional force generated between the detection surface 40 and the track rail 1. .
  • Each of the pair of leg portions 31 hangs so as to overlap with the support piece 32 extending from the sensor holding portion 30 toward the outer side in the width direction of the track rail 1 and from the support piece 32 to the side surface of the track rail 1. And a gripping piece 33 for doing so. That is, each leg 31 is held like a cantilever with respect to the sensor holder 30, and the sensor mounting member 3 is attached to the track rail 1 while expanding the lower ends of the pair of legs 31. When it is mounted, the support piece 32 elastically deforms with respect to the sensor holding portion 30 and the grip piece 33 with respect to the support piece 32, and the track rail 1 is provided between the pair of leg portions 31. Is sandwiched.
  • a guide piece 34 is provided at the lower end of the gripping piece 33 and facing the track rail 1, and a contact portion 35 for pressing the track rail 1 is provided at the tip of the guide piece 34.
  • the guide piece 34 is formed by folding back the lower end of the grip piece 33 toward the track rail 1 in a V shape, and the abutting portion 35 bends the upper end of the guide piece 34 in an arc shape. Is formed.
  • a downward slope 13 that forms the recess 11 is present on the side surface of the track rail 1, and the contact portion 35 is in pressure contact with the downward slope 13 of the track rail 1.
  • the rolling surface 10 of the ball is formed with respect to the downward inclined surface 13, and as a result, the contact portion 35 is in pressure contact with the rolling surface 10.
  • the sensor mounting member 3 is mounted on the track rail 1 in a state where the pair of leg portions 31 are expanded, and the contact portions 35 provided on the leg portions 31 are pressed against the downwardly inclined surface 13 of the track rail 1. Therefore, as shown in FIG. 4, the contact portion 35 exerts an obliquely upward force f on the track rail 1. Therefore, as a reaction force for the contact portion 35 to press the track rail 1, a force F that pushes down the sensor holding part 30 toward the top surface 14 of the track rail 1 acts on the sensor mounting member 3. The force F pushes the sensor 4 against the track rail 1. Then, a frictional force corresponding to the magnitude of the force F is generated between the detection surface 40 of the sensor and the top surface 14 of the track rail 1, and this sensor 4 causes the sensor 4 to top the track rail 1. It is fixed to the surface 14 without slipping.
  • the distance between the sensor holding portion 30 and the contact portion 35 of the leg portion 31 in the height direction of the track rail 1 is h
  • the downwardly inclined surface of the track rail 1 is
  • the sensor is The condition for the holding unit 30 to reliably press the sensor against the top surface 14 of the track rail 1 is H + S> h.
  • the distance D between the lowermost end of the grip piece 33 on the one leg 31 and the lowermost end of the grip piece 33 on the other leg 31 is set larger than the width W of the track rail 1. Furthermore, the distance d between the contact portion 35 of one leg portion 31 and the contact portion 35 of the other leg portion 31 is set to be smaller than the width W of the track rail 1.
  • the guide pieces 34 are provided on both sides in the width direction of the track rail 1. Contact the shoulder area. Since the guide piece 34 is folded back obliquely upward from the lowermost end of the grip portion 33, when the sensor mounting member 3 is further pressed toward the track rail 1, the guide piece 34 is released as shown in FIG. The pair of leg portions 31 expands in a direction away from the side surface of the track rail 1 while slipping on the track rail 1, and finally, as shown in FIG. The contact portion 35 is pressed into contact with the downwardly inclined surface 13 of the track rail 1 by fitting in the recess of No. 1.
  • the sensor mounting member 3 of this embodiment can be easily attached to the track rail 1 only by pressing from above the track rail 1 without using a special tool.
  • the sensor 4 is brought into pressure contact with the track rail 1, and the sensor 4 is attached to the track rail 1. It can be firmly fixed.
  • the sensor mounting member 3 is attached to the track rail 1 only by the elastic force exerted by the pair of leg portions 31, it is only necessary to push and expand the pair of leg portions 31 to detect the sensor from the track rail 1. It is also possible to easily remove the mounting member 3.
  • FIG. 7 is a front view showing a state in which the sensor mounting member 3 is mounted on the track rail 1A of another rolling guide device.
  • the track rail 1A corresponds to a rolling guide device using rollers as rolling elements, and recesses 11a are formed on both side surfaces of the track rail 1A, and the upper and lower portions of the recess 11a are inclined downward.
  • a surface 13a and an upward inclined surface 13b are provided, and the downward inclined surface 13a and the upward inclined surface 13b are rolling surfaces of the rollers.
  • the pair of legs 31 of the sensor mounting member 3 holds the upper structure of the track rail 1A, and the contact portions 35 of the legs 31 are in pressure contact with the downward inclined surface 13a. Therefore, the sensor mounting member 3 of the above embodiment can be flexibly applied to track rails having different shapes, and can be used for fixing the sensor to the track rails of various rolling guide devices.
  • a single metal plate is bent to integrally form the sensor holding portion 30 and the pair of leg portions.
  • the present invention is not limited to this.
  • the sensor holding portion and the pair of leg portions may be separately molded, and these may be integrated by welding, screwing, or the like.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Bearings For Parts Moving Linearly (AREA)
PCT/JP2019/038874 2018-10-16 2019-10-02 転がり案内装置のセンサ取付け部材及びセンサ取付け方法 WO2020080102A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE112019005164.4T DE112019005164B4 (de) 2018-10-16 2019-10-02 Sensorbefestigungselement für Rollführungsvorrichtung
US17/273,432 US11174897B2 (en) 2018-10-16 2019-10-02 Sensor attachment member and sensor attachment method for rolling guide device
CN201980066893.0A CN112840136B (zh) 2018-10-16 2019-10-02 滚动引导装置的传感器安装构件以及传感器安装方法
KR1020217014268A KR102304101B1 (ko) 2018-10-16 2019-10-02 구름 안내 장치의 센서 설치 부재 및 센서 설치 방법

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018-194869 2018-10-16
JP2018194869A JP6734008B2 (ja) 2018-10-16 2018-10-16 転がり案内装置のセンサ取付け部材及びセンサ取付け方法

Publications (1)

Publication Number Publication Date
WO2020080102A1 true WO2020080102A1 (ja) 2020-04-23

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Application Number Title Priority Date Filing Date
PCT/JP2019/038874 WO2020080102A1 (ja) 2018-10-16 2019-10-02 転がり案内装置のセンサ取付け部材及びセンサ取付け方法

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Country Link
US (1) US11174897B2 (de)
JP (1) JP6734008B2 (de)
KR (1) KR102304101B1 (de)
CN (1) CN112840136B (de)
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